CN112122872A - Automatic alignment welding device for intersecting line welding seam - Google Patents
Automatic alignment welding device for intersecting line welding seam Download PDFInfo
- Publication number
- CN112122872A CN112122872A CN202011027766.0A CN202011027766A CN112122872A CN 112122872 A CN112122872 A CN 112122872A CN 202011027766 A CN202011027766 A CN 202011027766A CN 112122872 A CN112122872 A CN 112122872A
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- transverse
- vertical
- welding
- sleeve
- pipe
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/053—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work aligning cylindrical work; Clamping devices therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/02—Carriages for supporting the welding or cutting element
- B23K37/0247—Driving means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/04—Tubular or hollow articles
- B23K2101/06—Tubes
Abstract
The invention relates to an automatic alignment welding device for intersecting line welding seams. The problem of when current T venturi tube welding cross the center of line hole mutually with standpipe central deviation great and work efficiency hangs down on the violently pipe is mainly solved. The method is characterized in that: the welding machine is characterized in that a worm and gear speed reducer (2), a welding machine base (3) and a support (4) are fixed on the base (1), a rotary worktable (5) is fixed on an output shaft of the worm and gear speed reducer (2), and a horizontal pipe supporting base (6) and a horizontal pipe clamp (7) are fixed above the rotary worktable (5). The invention adopts the coaxial center and the vertical pipe jacket seat in the same cylinder body to respectively center the horizontal pipe and the vertical pipe, and utilizes the rotary worktable, the automatic ignition welding gun, the numerical control transverse feeding mechanism and the numerical control vertical feeding mechanism to realize the automatic welding of the intersecting line welding seam at the joint of the horizontal pipe and the vertical pipe, thereby ensuring the consistency of the center of the intersecting line hole and the center of the vertical pipe, good product quality and high working efficiency.
Description
Technical Field
The invention relates to welding equipment, in particular to an automatic alignment welding device for intersecting line welding seams.
Background
The T-shaped pipe is formed by orthogonally welding a transverse pipe and a vertical pipe and is mainly applied to a medium conveying pipeline. At present, when a T-shaped pipe is welded, intersecting line holes are required to be cut on the pipe wall of a transverse pipe, one end of a vertical pipe is cut into a shape matched with the intersecting line holes, a groove is formed on the edge of the intersecting line hole of the transverse pipe and the end of the vertical pipe at the joint, and finally welding is carried out. The existing automatic alignment welding device for intersecting line welding seams generally adopts a welding robot to weld, but the welding robot is expensive, most of small and medium-sized enterprises still adopt manual operation to weld, the working efficiency is low, and particularly, the center of an intersecting line hole on a transverse pipe has large deviation with the center of a vertical pipe, and the product quality is poor. Therefore, an automatic alignment welding device for the intersecting line welding seam, which is convenient to mount and clamp and can ensure that the center of the intersecting line hole is consistent with the center of the vertical pipe, is urgently needed.
Disclosure of Invention
The invention provides an automatic intersecting line welding seam alignment welding device, which aims to solve the problems that the deviation between the center of an intersecting line hole on a transverse pipe and the center of a vertical pipe is large and the working efficiency is low in the conventional T-shaped pipe welding process.
The technical scheme of the invention is as follows: the automatic alignment welding device for the intersecting line welding seam comprises a base, wherein a worm gear reducer, a welding machine base and a support are fixed on the base, a rotary worktable is fixed on an output shaft of the worm gear reducer, and a transverse pipe supporting base and a transverse pipe clamp are fixed above the rotary worktable;
the welding machine base is provided with a transverse sliding seat and a transverse feeding servo motor, an output shaft of the transverse feeding servo motor is connected with a transverse feeding screw rod, the lower end of the transverse sliding seat is connected with the transverse feeding screw rod, the transverse feeding screw rod rotates to drive the transverse sliding seat to slide relative to the welding machine base along the transverse direction, a support is fixed on the transverse sliding seat, a vertical sliding seat and a vertical feeding servo motor are installed on the support, an output shaft of the vertical feeding servo motor is connected with a vertical feeding screw rod, the vertical sliding seat is connected with the vertical feeding screw rod, the vertical feeding screw rod rotates to drive the vertical sliding seat to slide relative to the support along the vertical direction, and an;
the top of the bracket is provided with a cross beam, an air cylinder sleeve is fixed on the cross beam, an isolation sleeve is arranged in the air cylinder sleeve, the isolation sleeve and the air cylinder sleeve have the same axle center, a first piston and a first piston rod are arranged in the isolation sleeve, the lower end of the first piston rod is connected with a tip, a second piston and a second piston rod are arranged between the air cylinder sleeve and the isolation sleeve, the second piston rod is tubular, the lower end of the second piston rod is connected with the jacket seat through a bearing, the lower end of the jacket seat is provided with an elastic expansion sleeve, the elastic tensioning sleeve is positioned in the jacket base and can slide up and down relative to the jacket base, a contact surface between the inner wall of the lower end of the jacket base and the outer wall of the lower end of the elastic tensioning sleeve is a conical surface, a limiting chute is arranged on the inner wall of the jacket base, a limiting pin is arranged on the outer wall of the elastic tensioning sleeve and is positioned in the limiting chute, an inward-bent boss is arranged at the upper end of the elastic tensioning sleeve, and the vertical pipe can abut against the boss and push the elastic tensioning sleeve to move upwards when inserted into the elastic tensioning sleeve; the center can penetrate through the intersecting line hole of the elastic tensioning sleeve and is propped against the transverse pipe.
And a V-shaped groove or an arc groove is arranged on the horizontal tube supporting seat.
Violently manage anchor clamps and include first die clamping cylinder, first splint, second die clamping cylinder and second splint, first die clamping cylinder and second die clamping cylinder are along rotary table gyration axis symmetry, and first splint are connected on first die clamping cylinder's piston rod, and second splint are connected on second die clamping cylinder's piston rod.
And a tracking camera is arranged at the end head of the extending end of the cross beam.
The invention has the following beneficial effects: by adopting the technical scheme, the coaxial center and the vertical pipe clamping seat in the same cylinder body are adopted to respectively center the transverse pipe and the vertical pipe, the automatic welding of the intersecting line welding seam at the joint of the transverse pipe and the vertical pipe is realized by utilizing the rotary worktable, the automatic ignition welding gun, the numerical control transverse feeding mechanism and the numerical control vertical feeding mechanism, the consistency of the center of the intersecting line hole and the center of the vertical pipe is ensured, the product quality is good, and the working efficiency is high.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a sectional view showing an installation structure of the center 21 and the collet holder 25 according to the present invention.
Figure 3 is a cross sectional view of the cross tube clamp 7 of the present invention.
Fig. 4 is a sectional view showing the mounting structure of the automatic ignition torch 15 according to the present invention.
FIG. 5 is a structural sectional view of a T-shaped pipe according to the present invention.
In the figure, 1-base, 2-worm gear reducer, 3-welding machine base, 4-bracket, 5-rotary worktable, 6-horizontal tube support base, 7-horizontal tube clamp, 71-first clamping cylinder, 72-first clamping plate, 73-second clamping cylinder, 74-second clamping plate, 8-transverse slide base, 9-transverse feed servo motor, 10-transverse feed screw, 11-support base, 12-vertical slide base, 13-vertical feed servo motor, 14-vertical feed screw, 15-automatic ignition welding gun, 16-cross beam, 17-cylinder sleeve, 18-spacer bush, 19-first piston, 20-first piston rod, 21-tip, 22-second piston, 23-second piston rod, 24-bearing, 25-jacket seat, 26-elastic expansion sleeve, 27-limit chute, 28-limit pin, 29-boss, 30-tracking camera.
Detailed Description
The invention will be further described with reference to the accompanying drawings in which:
as shown in fig. 1 to 5, the automatic alignment welding device for intersecting line welding seams comprises a base 1, wherein a worm and gear reducer 2, a welding machine base 3 and a support 4 are fixed on the base 1, a rotary worktable 5 is fixed on an output shaft of the worm and gear reducer 2, and a horizontal pipe support base 6 and a horizontal pipe clamp 7 are fixed above the rotary worktable 5;
a transverse sliding seat 8 and a transverse feeding servo motor 9 are mounted on the welding machine base 3, an output shaft of the transverse feeding servo motor 9 is connected with a transverse feeding screw rod 10, the lower end of the transverse sliding seat 8 is connected with the transverse feeding screw rod 10, the transverse feeding screw rod 10 rotates to drive the transverse sliding seat 8 to slide along the transverse direction relative to the welding machine base 8, a support 11 is fixed on the transverse sliding seat 8, a vertical sliding seat 12 and a vertical feeding servo motor 13 are mounted on the support 11, an output shaft of the vertical feeding servo motor 13 is connected with a vertical feeding screw rod 14, the vertical sliding seat 12 is connected with the vertical feeding screw rod 14, the vertical feeding screw rod 14 rotates to drive the vertical sliding seat 12 to slide along the vertical direction relative to the support 11, and an automatic ignition;
the top of the support 4 is provided with a cross beam 16, an air cylinder sleeve 17 is fixed on the cross beam 16, an isolation sleeve 18 is arranged inside the air cylinder sleeve 17, the isolation sleeve 18 and the air cylinder sleeve 17 are coaxial, a first piston 19 and a first piston rod 20 are arranged in the isolation sleeve 18, the lower end of the first piston rod 20 is connected with a tip 21, a second piston 22 and a second piston rod 23 are arranged between the air cylinder sleeve 17 and the isolation sleeve 18, the second piston rod 23 is tubular, the lower end of the second piston rod 23 is connected with a jacket base 25 through a bearing 24, the lower end of the jacket base 25 is provided with an elastic tensioning sleeve 26, the elastic tensioning sleeve 26 is positioned in the jacket base 25 and can slide up and down relative to the jacket base 25, the contact surface between the inner wall of the lower end of the jacket base 25 and the outer wall of the elastic tensioning sleeve 26 is a conical surface, the inner wall of the jacket base 25 is provided with a limiting sliding groove 27, the outer wall of the elastic tensioning sleeve 26, the upper end of the elastic expansion sleeve 26 is provided with an inward-bent boss 29, and when the standpipe is inserted into the elastic expansion sleeve 26, the standpipe can abut against the boss 29 and push the elastic expansion sleeve 26 to move upwards; the centre 21 can penetrate through the intersecting line hole of the elastic expansion sleeve 26 and is propped against the transverse pipe. According to the technical scheme, the isolating sleeve 18, the first piston 19 and the first piston rod 20 form a tip cylinder, a reset spring is arranged below the first piston 19, the tip cylinder is a single-action cylinder, the lower end of the first piston rod 20 is connected with a tip 21, the cylinder sleeve 17, the isolating sleeve 18, the second piston 22 and the second piston rod 23 form a jacket seat cylinder, the jacket seat cylinder is a double-action cylinder, the tip cylinder and the jacket seat cylinder are combined together, so that the tip 21 and the jacket seat 25 are coaxial, when the T-shaped pipe is welded, the transverse pipe is firstly placed on the transverse pipe supporting seat 6, the tip cylinder acts first, the tip 21 is extruded in a intersecting line hole in the transverse pipe, the transverse pipe can be automatically deflected until the center of the intersecting line hole is consistent with the center of the tip 21, then the transverse pipe clamp 7 clamps the transverse pipe, and the; then insert the standpipe and upwards propelling movement standpipe in the tight cover 26 of elasticity rising in pressing from both sides the cover seat 25, the standpipe drives the tight cover 26 rebound that rises, elasticity rises tight cover 26 and tightens up and centre gripping standpipe under the conical surface effect of pressing from both sides cover seat 25 lower extreme, calculates reasonable circular cone angle during the design, makes the frictional force between the tight cover 26 of elasticity rising and the cover seat 25 enough can overcome the weight of standpipe, just can centre gripping the standpipe and make the standpipe can not drop. The jacket seat cylinder acts to enable the jacket seat 25 to move downwards until the lower end of the vertical pipe touches the transverse pipe, and at the moment, the center of the through hole on the transverse pipe is consistent with the center of the vertical pipe. The automatic ignition welding gun 15 moves to a welding starting point position to ignite under the driving of the transverse feeding servo motor 9 and the vertical feeding servo motor 13, after ignition is successful, the worm gear reducer 2 works to drive the rotary workbench 5 to rotate at a uniform speed, the rotary workbench 5 rotates 360 degrees, after welding is finished, the automatic ignition welding gun 15 returns to an initial position, the rotary workbench 5 also rotates reversely to the initial position, the jacket base 25 is lifted upwards, the vertical pipe is welded with the horizontal pipe at the moment, the elastic tensioning sleeve 26 can be pulled out along with the vertical pipe, the elastic tensioning sleeve 26 is opened, the vertical pipe is separated from the elastic tensioning sleeve 26, the vertical pipe clamp 7 is loosened, the welded T-shaped pipe is taken down, and welding of the T-shaped pipe is completed. The invention adopts the coaxial center and the vertical pipe jacket seat in the same cylinder body to respectively center the horizontal pipe and the vertical pipe, and utilizes the rotary worktable, the automatic ignition welding gun, the numerical control transverse feeding mechanism and the numerical control vertical feeding mechanism to realize the automatic welding of the intersecting line welding seam at the joint of the horizontal pipe and the vertical pipe, thereby ensuring the consistency of the center of the intersecting line hole and the center of the vertical pipe, good product quality and high working efficiency.
And a V-shaped groove or an arc groove is arranged on the horizontal tube supporting seat 6. The horizontal tube supporting seat 6 is used for supporting a horizontal tube and is convenient for horizontal tube positioning.
The horizontal pipe clamp 7 comprises a first clamping cylinder 71, a first clamping plate 72, a second clamping cylinder 73 and a second clamping plate 74, wherein the first clamping cylinder 71 and the second clamping cylinder 73 are symmetrical along the rotation axis of the rotary workbench 5, the first clamping plate 72 is connected to a piston rod of the first clamping cylinder 71, and the second clamping plate 74 is connected to a piston rod of the second clamping cylinder 73. The first clamping cylinder 71 and the second clamping cylinder 73 act synchronously to quickly clamp the transverse tube.
And a tracking camera 30 is arranged at the end of the extending end of the cross beam 16. The tracking camera 30 is used for detecting whether the position of the welding spot deviates from the preset position, and can feed back a signal through comparison, and then the position of the number 15 of the automatic ignition welding guns is finely adjusted through the control system so as to ensure the quality of the welding seam.
Compared with a welding robot, the welding robot has the advantages of simple structure and low cost, is suitable for welding T-shaped pipes in batches, and is beneficial to popularization and use.
Claims (4)
1. The utility model provides an automatic alignment welding set of intersecting line welding seam, includes base (1), its characterized in that: a worm and gear reducer (2), a welding machine base (3) and a support (4) are fixed on the base (1), a rotary worktable (5) is fixed on an output shaft of the worm and gear reducer (2), and a transverse pipe supporting seat (6) and a transverse pipe clamp (7) are fixed above the rotary worktable (5);
a transverse sliding seat (8) and a transverse feeding servo motor (9) are installed on the welding machine base (3), an output shaft of the transverse feeding servo motor (9) is connected with a transverse feeding screw rod (10), the lower end of the transverse sliding seat (8) is connected with the transverse feeding screw rod (10), the transverse feeding screw rod (10) can drive the transverse sliding seat (8) to slide along the transverse direction relative to the welding machine base (8) in a rotating mode, a support seat (11) is fixed on the transverse sliding seat (8), a vertical sliding seat (12) and a vertical feeding servo motor (13) are installed on the support seat (11), an output shaft of the vertical feeding servo motor (13) is connected with a vertical feeding screw rod (14), the vertical sliding seat (12) is connected with the vertical feeding screw rod (14), the vertical feeding screw rod (14) can drive the vertical sliding seat (12) to slide along the vertical relative to the support seat (11) in a rotating mode, and;
the top of the support (4) is provided with a cross beam (16), an air cylinder sleeve (17) is fixed on the cross beam (16), an isolation sleeve (18) is arranged inside the air cylinder sleeve (17), the isolation sleeve (18) and the air cylinder sleeve (17) are coaxial, a first piston (19) and a first piston rod (20) are arranged in the isolation sleeve (18), the lower end of the first piston rod (20) is connected with a tip (21), a second piston (22) and a second piston rod (23) are arranged between the air cylinder sleeve (17) and the isolation sleeve (18), the second piston rod (23) is tubular, the lower end of the second piston rod (23) is connected with a jacket base (25) through a bearing (24), an elastic tensioning sleeve (26) is arranged at the lower end of the jacket base (25), the elastic tensioning sleeve (26) is positioned in the jacket base (25) and can slide up and down relative to the jacket base (25), and the contact surface between the inner wall of the lower end of the jacket base (25) and the outer wall of the elastic tensioning sleeve (26) is, a limiting sliding groove (27) is formed in the inner wall of the jacket seat (25), a limiting pin (28) is arranged on the outer wall of the elastic tensioning sleeve (26), the limiting pin (28) is located in the limiting sliding groove (27), an inward-bent boss (29) is arranged at the upper end of the elastic tensioning sleeve (26), and when the vertical pipe is inserted into the elastic tensioning sleeve (26), the vertical pipe can abut against the boss (29) and push the elastic tensioning sleeve (26) to move upwards; the center (21) can penetrate through the intersecting line hole of the elastic tensioning sleeve (26) and is propped against the transverse pipe.
2. The automatic alignment welding device for intersecting line welding seam according to claim 1, characterized in that: and a V-shaped groove or an arc groove is arranged on the horizontal tube supporting seat (6).
3. The automatic alignment welding device for intersecting line welding seam according to claim 1, characterized in that: the horizontal pipe clamp (7) comprises a first clamping cylinder (71), a first clamping plate (72), a second clamping cylinder (73) and a second clamping plate (74), wherein the first clamping cylinder (71) and the second clamping cylinder (73) are symmetrical along the rotation axis of the rotary workbench (5), the first clamping plate (72) is connected to a piston rod of the first clamping cylinder (71), and the second clamping plate (74) is connected to a piston rod of the second clamping cylinder (73).
4. The automatic intersection line weld alignment welding device according to claim 1, 2 or 3, characterized in that: and a tracking camera (30) is arranged at the end head of the extending end of the cross beam (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011027766.0A CN112122872B (en) | 2020-09-26 | 2020-09-26 | Automatic alignment welding device for intersecting line welding seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011027766.0A CN112122872B (en) | 2020-09-26 | 2020-09-26 | Automatic alignment welding device for intersecting line welding seam |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112122872A true CN112122872A (en) | 2020-12-25 |
| CN112122872B CN112122872B (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011027766.0A Active CN112122872B (en) | 2020-09-26 | 2020-09-26 | Automatic alignment welding device for intersecting line welding seam |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113001074A (en) * | 2021-03-19 | 2021-06-22 | 杭州隆茂五金制造有限公司 | Automatic welding device and process thereof |
| CN113351964A (en) * | 2021-07-04 | 2021-09-07 | 兴化市恒源特钢有限公司 | Automatic welding equipment for stainless steel pipe |
| CN113909766A (en) * | 2021-11-10 | 2022-01-11 | 内蒙古工业大学 | Intersecting line weld joint welding equipment and method |
| CN114178693A (en) * | 2022-01-05 | 2022-03-15 | 河北茵斯托曼电子科技有限公司 | Seamless welding process for stainless steel pipe |
| CN114227275A (en) * | 2021-12-31 | 2022-03-25 | 杭州固德机械有限公司 | Metal three-way pipe cutting and welding machine |
| CN114769981A (en) * | 2022-06-22 | 2022-07-22 | 西派集团有限公司 | Welding device for machining multifunctional valve |
| CN114905362A (en) * | 2022-05-11 | 2022-08-16 | 杭州万贵智能机械有限公司 | Portable three-way pipe auxiliary welding device |
| CN115026484A (en) * | 2022-08-10 | 2022-09-09 | 新沂锐辰太阳能有限公司 | Solar street lamp pole welding equipment |
| CN115533376A (en) * | 2022-10-08 | 2022-12-30 | 山东森峰激光装备有限公司 | Automatic welding device for multi-angle intersecting line welding seam of large-diameter pipeline |
| CN117161620A (en) * | 2023-10-10 | 2023-12-05 | 常州市金坛区望胜合金铸钢有限公司 | Metal casting surface processing device with welding slag cleaning function |
| CN117324882A (en) * | 2023-11-02 | 2024-01-02 | 泰州市新龙翔金属制品有限公司 | Stainless steel product welding machine |
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| CN101691000A (en) * | 2009-09-28 | 2010-04-07 | 中国石油天然气集团公司 | Elastic positioning adjusting device for conical pulley |
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Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113001074B (en) * | 2021-03-19 | 2022-10-25 | 杭州隆茂五金制造有限公司 | Automatic welding device and process thereof |
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| CN113909766B (en) * | 2021-11-10 | 2023-08-22 | 内蒙古工业大学 | Intersecting line weld joint welding equipment and method |
| CN114227275A (en) * | 2021-12-31 | 2022-03-25 | 杭州固德机械有限公司 | Metal three-way pipe cutting and welding machine |
| CN114178693A (en) * | 2022-01-05 | 2022-03-15 | 河北茵斯托曼电子科技有限公司 | Seamless welding process for stainless steel pipe |
| CN114905362A (en) * | 2022-05-11 | 2022-08-16 | 杭州万贵智能机械有限公司 | Portable three-way pipe auxiliary welding device |
| CN114905362B (en) * | 2022-05-11 | 2023-12-08 | 杭州加淼科技有限公司 | Portable three-way pipe auxiliary welder |
| CN114769981B (en) * | 2022-06-22 | 2022-09-06 | 西派集团有限公司 | Welding device for machining multifunctional valve |
| CN114769981A (en) * | 2022-06-22 | 2022-07-22 | 西派集团有限公司 | Welding device for machining multifunctional valve |
| CN115026484A (en) * | 2022-08-10 | 2022-09-09 | 新沂锐辰太阳能有限公司 | Solar street lamp pole welding equipment |
| CN115026484B (en) * | 2022-08-10 | 2022-10-28 | 新沂锐辰太阳能有限公司 | Solar street lamp pole welding equipment |
| CN115533376A (en) * | 2022-10-08 | 2022-12-30 | 山东森峰激光装备有限公司 | Automatic welding device for multi-angle intersecting line welding seam of large-diameter pipeline |
| CN117161620A (en) * | 2023-10-10 | 2023-12-05 | 常州市金坛区望胜合金铸钢有限公司 | Metal casting surface processing device with welding slag cleaning function |
| CN117324882A (en) * | 2023-11-02 | 2024-01-02 | 泰州市新龙翔金属制品有限公司 | Stainless steel product welding machine |
| CN117324882B (en) * | 2023-11-02 | 2024-04-05 | 泰州市新龙翔金属制品有限公司 | Stainless steel product welding machine |
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| CN112122872B (en) | 2022-03-29 |
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Effective date of registration: 20221228 Address after: 516223 Yue Chang Cun, Xinxu Town, Huiyang District, Huizhou City, Guangdong Province Patentee after: HUIZHOU XINJIAYI HARDWARE PLASTIC PRODUCTS Co.,Ltd. Address before: Room 407, No.2, Lane 136, pushoe City, Lucheng District, Wenzhou City, Zhejiang Province Patentee before: Shen Yongsong |
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